Face mask insert



FIG. 1 is a front perspective view of the face mask insert of the present invention;

FIG. 2 is another front perspective view thereof;

FIG. 3 is yet another front perspective view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a right-side view thereof;

FIG. 6 is a left-side view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a top view thereof.

The dashed lines represent stitching and form part of the design. 

CLAIM The ornamental design for a face mask insert, as shown and described. 